TV repair

TV SONY AE2 chassis

CHASSIS - TV  - MODEL

  

SONY chassis
AE1  AE1A  AE1B  AE1C
AE2
AE3
AE4
AE5
AE6
BE2
BE3
BE4  BE5
FE1  FE2
GE1
Vestel chassis
11AK30
11AK36
 
TV CHASSIS CHINA MODEL
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
 

 

Model: AE2, AE2A, AE2B, AE2F, KV-A2131A, ...

Subject: SET GOES OFF AFTER A WHILE, OR LED BLINKS 13 X WHE

Symptom: Set goes off after a while, or set start blinking 13 times when you start the set.

Cause: Set has bad contacts on IC1501 or this IC1501 is already defekt due to a bad contacts.

Remedy: Change IC1501 and check his fusible resistors R854 a

Model: AE2, AE2A, AE2B, KV-A2131A, KV-A2131B, ...

Subject: NO POWER, + B IS TOO HIGH (170V)

Symptom: TV doesn't start. +B is too high (170 V) Only demagnetisation is clicking.

Cause: PS601 is open due to bad contacts at IC 681

Remedy: Change PS601 and resolder IC681, R681.

Model: AE2, AE2A, AE2B, KV-A2131A, KV-A2131B, ...

Subject: PLOP NOISE, AFTER A WHILE NO SOUND.(IC251,IC261,R6

Symptom: Plop-noise

Cause: One of the audio amplifiers is defekt.(TDA 2052) Check also the value of R627 (27ohm)

Remedy: Change the audio amplifiers and change R 627. References of the TDA 2052 depends of the exact

Model:. Check service manual p

Model: AE2, KV-B2511A, KV-B2511B, KV-B2511D, KV-B2511K, ...

Subject: INTERMITTENT NO COLOUR.(FS057)

Symptom: Intermittenly no colour

Cause: Bad contact FS057

Remedy: Resoldering FS057

Model: AE2, AE2A, AE2B, KV-A2131A, KV-A2131B, ...

Subject: NO POWER, +B TENSION LOWERS FROM 135V TO 60V.(Q281

Symptom: TV doesn't start up. +B tension goes from 135V to 60V.(stand-by tension)

Cause: Q 281, Q 282 are defekt.(protection circuit audio)

Remedy: Change Q281,Q282

Model: AE2, AE2A, AE2B, KV-A2131A, KV-A2131B, ...

Subject: PICTURE BECOMES REDDISH, BLUEISH OR GREENISH AND

Symptom: Picture becomes reddish, blueish or greenish and blanks. Led blinks constantly.

Cause: The collectors of the RGB transistors (BF 871) are touching because of dust or other cause.

Remedy: Reposition the 6 transistors and resolder them corr

Model: AE2, AE2A, AE2B, KV-A2131A, KV-A2131B, ...

Subject: NO POWER.(R610)

Symptom: No power

Cause: Q601, F651, IC601 are defekt, and even when they are replaced the power supply brakes immediatly.

Remedy: Check R610 = 120K

Model: AE2, AE2A, AE2B, KV-A2131A, KV-A2131B, ...

Subject: SET GOES INTO PROTECTION AND BLINKS 8 TIMES.(IC684

Symptom: Set goes in protection and blinks 8 times (AV switch)

Cause: Bad contact at IC 684 (9V stabilisator)

Remedy: Resoldering IC 684

Model: AE2, AE2A, AE2B, KV-A2131A, KV-A2131B, ...

Subject: NO POWER.(PS682)

Symptom: No power

Cause: PS682 is open

Remedy: Change PS682 Attention: In some SM you won't find PS682

Model: AE2, AE2A, AE2B, KV-A2131A, KV-A2131B, ...

Subject: NO POWER.(R612)

Symptom: No power

Cause: R 612 is open

Remedy: Change R 612= 430Mohm

Model: AE2, KV-B2511A, KV-B2511B, KV-B2511D, KV-B2511K, ...

Subject: THE SET GOES ON AN OFF AND LED BLINKS 11 TIMES.(IC

Symptom: Set goes on and off and blanks 11X

Cause: IC01 is defekt (SDA5248CI)

Remedy: Change this IC

Model: AE2, AE2A, AE2B, KV-A2131A, KV-A2131B, ...

Subject: LED BLINKS 7 TIMES.(IC 561)

Symptom: After soldering the IC501 (vertical amplifier) it is possible that image is still unstabel. 7 times blinking is possible

Cause: IC 561 is unstabel when warming up. (geometry processor)

Remedy: Change IC 561

Model: AE2, AE2A, AE2B, KV-A2131A, KV-A2131B, ...

Subject: RED,BLUE OR GREEN RETRACE LINES IN PICTURE.(Q707,Q

Symptom: Red, blue or green image with retrace lines in the picture

Cause: In most of the cases one of the 2SA1091 is leaking.

Remedy: Change these 3 transistors Q 707, Q708, Q709

Model: AE2, AE2A, AE2B, KV-A2131A, KV-A2131B, ...

Subject: PLOP NOISE.(IC201)

Symptom: Plop noise

Cause: TDA 6612 is defekt.

Remedy: Change this ic

Model: AE2, KV-B2511A, KV-B2511B, KV-B2511D, KV-B2511K, ...

Subject: NO NICAM SOUND.(IFB101)

Symptom: No NICAM sound

Cause: IFB 101 is defekt due to a bad SIF signal.

Remedy: Change IFB 101

Model: AE2, AE2B, AEA

Subject: PICTURE IS GREEN AND YELLOW.(IC302)

Symptom: The picture is green and yellow

Cause: The electronic delay line is defekt.

Remedy: Change TDA 4660 It is possible you get a replacement for this ic

Model: AE2, AE2A, AE2B, KV-A2131A, KV-A2131B, ...

Subject: SET GIVES DIFFERENT ERROR CODES.(Q611,Q612, R640,R

Symptom: Set gives different error codes (Led blinks 3 times, afterwards 13 times)

Cause: Protection circuit is defekt ( Q611 and Q612) and activates the X-ray protection

Remedy: Change these 2 transistors Other components in this circuitry can

Model: AE2, KV-B2511A, KV-B2511B, KV-B2511D, KV-B2511K, ...

Subject: BAD FOCUS IN THE MIDDLE OF THE SCREEN (IC1603)

Symptom: Bad focus in the middle of the screen

Cause: LM 393 is defect.

Remedy: Change this ic. This is only for

Model:s with a dynamic focus.

Model: AE2, AE2A, AE2B, KV-A2131A, KV-A2131B, ...

Subject: NO COLOUR , MENU AND OSD ARE UNSTABEL.(IC681)

Symptom: No colour and menu and OSD are unstabel

Cause: IC 681 gives wrong output voltages Normally 5V and 12V

Remedy: Change IC 681

Model: AE2, KV-B2511A, KV-B2511B, KV-B2511D, KV-B2511K, ...

Subject: NO POWER.(Q801)

Symptom: No power

Cause: Q801 is short, due to the +B tension = 190V.

Remedy: Check and change if neccesary IC603, D616, IC602.

Model: AE2, AE2A, AE2B, KV-A2131A, KV-A2131B, ...

Subject: PLOP NOISE.(R627)

Symptom: Plop- noise

Cause: R 627 = open.

Remedy: Replace this resitor and check all audio amplifiers. One of them should be defect.(surround amplifier !!!!!)

Model: AE2, AE2A, AE2B, KV-A2131A, KV-A2131B, ...

Subject: SET SOMETIMES IN PROTECTION.(Q611,Q610)

Symptom: Set goes in protection (intermittent.)

Cause: Q 610 or Q 611 are leaking.

Remedy: Change both transistors. Because if one or both transistors are leaking the X- ray protection gets activated.

Model: AE2, AE2A, AE2B, KV-A2131A, KV-A2131B, ...

Subject: CYCLIC POWER ON/OFF.(PS601)

Symptom: No power(cycling power on/off.)

Cause: PS601 is open.

Remedy: Replace this fuse.

Model: AE2, AE2A, AE2B, KV-A2131A, KV-A2131B, ...

Subject: SYNC PROBLEM.(IC681)

Symptom: Sync problem

Cause: IC 681 is defect.

Remedy: Change this ic. Sometimes this ic has only bad contacts, resoldering is necessary.

Model: AE2, AE2A, AE2B, KV-A2131A, KV-A2131B, ...

Subject: NO PICTURE.(TU101)

Symptom: No picture.(led blinks 3X)

Cause: Tuner is defect, or the ground connection from tuner is bad.

Remedy: Replace or resolder when necessary.

Model: AE2, AE2A, AE2B, KV-A2131A, KV-A2131B, ...

Subject: PICTURE IS TOO SMALL OR HORIZONTALY UNSTABEL.(C828)

Symptom: Picture is horizontaly unstabel, or picture is to small.

Cause: C 828 is unstabel or value has changed.

Remedy: Change C 828

Model: AE2, KV-B2511A, KV-B2511B, KV-B2511D, KV-B2511K, ...

Subject: UNSTABEL PICTURE.(IC501)

Symptom: Unstabel picture.

Cause: On the microprocessorboard the TDA2595 is defect.

Remedy: Change this IC.

Model: AE2, KV-B2511A, KV-B2511B, KV-B2511D, KV-B2511K, ...

Subject: INTERMITTENT NO POWER.(IC1802)

Symptom: Intermittent no power.(led blinks 6X)

Cause: Only for sets equipped with a dynamic convergence module (eq.KVS291*) CXA 1526 is defect.

Remedy: Change this IC and readjust convergence in the service menu.

Model: AE2, KV-B2511A, KV-B2511B, KV-B2511D, KV-B2511K, ...

Subject: NO POWER.(IC091)

Symptom: No power (PSU is OK, no SCL,no SDA)

Cause: IR detector is defect. (SBX1610-11)

Remedy: Change IR detector

Model: AE2

Subject: FAILURE OF V-OUT IC

Symptom: FAILURE OF V-OUT IC

Cause: NO PICTURE DUE TO FAILURE OF THE V-OUT IC1501 (D-BOARD)

Remedy: REPLACE IC1501 TDA8179S BY STV9379 (8-759-192-71), AND CHANGE C1506 FROM 0,33 µF TO 0,10 µF

(1-130-777-00)

Model: AE2

Subject: VERTICAL PROTECTION TRIGGERED

Symptom: VERTICAL PROTECTION TRIGGERED

Cause: URING THE RECEPTION OF POOR-QUALITY SIGNALS (WEAK SIGNALS, CROSS MODULATION, ETC. ),

VERTICAL DEFLECTION MAY STOP AFTER COVERING AROUND 60% OF THE SCREEN. VERTICAL PROTECTION

THEN ACTIVATES AFTER W

Model: AE2

Subject: INCORRECT V-SIZE, DARK PICTURE, NO COLOUR, SOUND B

Symptom: INCORRECT V-SIZE, DARK PICTURE, NO COLOUR, SOUND BUZZ, ETC.

Cause: UE TO AC POWER ON/OFF SWITCHING, DISCHARGE, ETC... DATA STORED IN THE NON VOLATILE

MEMORY (NVM) IC072 ON THE A-BOARD MAY CHANGE (TO ZERO , RESET). WHEN THE SYSTEM L IN

Model: AE2

Subject: OSD MALFUNCTIONING

Symptom: OSD MALFUNCTIONING

Cause: SD MALFUNCTIONING (FOR EXAMPLE : LETTERS OF OSD MOVE ON THE SCREEN IN HORIZONTAL

DIRECTION). MALFUNCTION OF THE PLL CIRCUIT OF IC 04 (CXD 1050 A-15P) ON V-BOARD. (FAILURE IS

DEPENDING ON THE TEMPERATURE AND

Model: AE2

Subject: THE SET GIVES NO SOUND AFTER SOME TIME (THIS TIME

Symptom: THE SET GIVES NO SOUND AFTER SOME TIME (THIS TIME DEPENDS ON THE SIGNAL CONDITIONS

AND THE AUDIO LOAD). AFTER POWER-OFF AND POWER-ON THE SOUND IS OK, UNTIL THE FAULT COMES

AGAIN.

Cause: HE PROBLEM IS CAUSED BY A BROKEN R627 (27 OHM 1/

Model: AE2

Subject: NO POWER, NO SOUND, FLASHING LED, ...

Symptom: NO POWER, NO SOUND, FLASHING LED, ...

Cause: M-BOARD COMES OUT OF FROM A-BOARD

Remedy: WHEN THE ABOVE MENTIONED SYMPTOM OCCURS, AT FIRST CHECK IF THE M-BOARD CAME OUT. IN

THIS CASE , REFIT THE M-BOARD AND M-BOARD HOLDER AND BEND THE

Model: AE2

Subject: MALFUNCTIONING OF PIP SYNCHRONISATION

Symptom: MALFUNCTIONING OF PIP SYNCHRONISATION

Cause: MALFUNCTIONING OF PIP SYNCHRONISATION

Remedy: CHECK THE PART NUMBER IMPRINTED ON THE A-BOARD. IF THE PART NUMBER IS EITHER 1-642-994-

12 OR 1-642-994-21, THEN CHECK WETHER THERE IS A JUMP

Model: AE2

Subject: START UP PROBLEM

Symptom: START UP PROBLEM

Cause: NO START UP OR SLOW START UP (FLASHING LED). THE 400 MV REGULATION VOLTAGE WHICH IS

NECESSARY FOR START UP CANNOT BE REACHED AT PIN 1 OF IC601.

Remedy: REPLACE R611 (100 OHM) WITH A 120 OHM RESISTOR (1-249-40

Model: AE2

Subject: NO PICTURE, NO SOUND, LED BLINKS 13 TIMES

Symptom: NO PICTURE, NO SOUND, LED BLINKS 13 TIMES

Cause: X RAY PROTECTION TRIGGERED DUE TO CHANGED VALUE OF R866

Remedy: REPLACE R866

Model: AE2

Subject: INTERMITTENT PICTURE LOSS, LED BLINKS 13 TIMES

Symptom: INTERMITTENT PICTURE LOSS, LED BLINKS 13 TIMES

Cause: CRACKED SOLDERING ON IC1501 (V-OUT)

Remedy: RESOLDER IC1501

Model: AE2

Subject: TV OPERATES ONLY A FEW HOURS.

Symptom: TV OPERATES ONLY A FEW HOURS.

Cause: VALUE OF R610 CHANGED, Q601 DEFECT (OPEN)

Remedy: REPLACE R610 AND Q601

Model: AE2

Subject: INTERMITTENT SWITCH ON AND OFF.

Symptom: INTERMITTENT SWITCH ON AND OFF.

Cause: VALUE OF R612 CHANGED

Remedy: REPLACE R612

Model: AE2

Subject: No colour and menu and OSD are unstabel

Symptom: No colour and menu and OSD are unstabel

Cause: IC 681 gives wrong output voltages Normally 5V and 12V

Remedy: Change IC 681 Part(s): 8-759-072-98 (IC 681)

Model: AE2

Subject: Set goes off after a while, or set start blinking

Symptom: Set goes off after a while, or set start blinking 13 times when you start the set.

Cause: Set has bad contacts on IC1501 or this IC1501 is already defekt due to a bad contact.

Remedy: Change IC1501 and check his fusible resistors R854 an

Model: AE2

Subject: TV doesn't start. +B is too high (170 V) Only dem

Symptom: TV doesn't start. +B is too high (170 V) Only demagnetisation is clicking.

Cause: PS601 is open due to bad contacts at IC 681

Remedy: Change PS601 and resolder IC681, R681. Part(s): 1-532-686-91 (PS 601)

Model: AE2

Subject: Plop-noise

Symptom: Plop-noise

Cause: One of the audio amplifiers is defekt.(TDA 2052) Check also the value of R627 (27ohm)

Remedy: Change the audio amplifiers who are defekt and change R 627 Part(s): 8-759-072-99 (IC 251 )

Model: AE2

Subject: Intermittenly no colour

Symptom: Intermittenly no colour

Cause: Bad contact FS057

Remedy: Resoldering FS057 Part(s): (FS057)

Model: AE2

Subject: TV doesn't start up. +B tension goes from 135V to

Symptom: TV doesn't start up. +B tension goes from 135V to 60V.(stand-by tension)

Cause: Q 281, Q 282 are defekt.(protection circuit audio)

Remedy: Change Q281,Q282 Part(s): 8-729-120-28 (Q281) 8-729-120-28 (Q282

Model: AE2

Subject: Picture becomes reddish, bleuish or greenish and b

Symptom: Picture becomes reddish, bleuish or greenish and blanks.

Cause: The collectors of the RGB transistors (BF 871) are touching because of dust or other cause.

Remedy: Reposition the 6 transistors and resolder them correctly. Part(s): 8-729-

Model: AE2

Subject: No power

Symptom: No power

Cause: Q601, F651, IC601 are defekt, and even when they are replaced the set goes directly defekt.

Remedy: Check R610 = 120K Part(s): 1-247-885-00 (R 610)

Model: AE2

Subject: Set goes in protection and blinks 8 times (AV swit

Symptom: Set goes in protection and blinks 8 times (AV switch)

Cause: Bad contact at IC 684 (9V stabilisator)

Remedy: Resoldering IC 684 Part(s): 8-759-982-10 (IC 684)

Model: AE2

Subject: No power

Symptom: No power

Cause: PS682 is open

Remedy: Change PS682 Part(s): 1-532-605-91 (PS 682)

Model: AE2

Subject: No power

Symptom: No power

Cause: R 612 is open

Remedy: Change R 612= 430Mohm Part(s): 1-247-894-11 (R 612)

Model: AE2

Subject: Set goes on and off and blanks 11X

Symptom: Set goes on and off and blanks 11X

Cause: IC01 is defekt (SDA5248CI)

Remedy: Change this IC Part(s): 8-759-073-28 (IC 01)

Model: AE2

Subject: After soldering the IC501 (vertical amplifier) it

Symptom: After soldering the IC501 (vertical amplifier) it is possible that image is still unstabel. 7 times blinking is possible

Cause: IC 561 is unstabel when warming up. (geometry processor)

Remedy: Change IC 561 Part(s): 8-752-347-92 (IC 5

Model: AE2

Subject: Red, blue, green image with retrace lines in the p

Symptom: Red, blue, green image with retrace lines in the picture Al tensions arriving at the picture tube are OK

Cause: In most of the cases one of the 2SA1091 is leaking.

Remedy: Change these 3 transistors Q 707, Q708, Q709 Part(s): 8-729-200-

Model: AE2

Subject: Plop noise

Symptom: Plop noise

Cause: TDA 6612 is defekt.

Remedy: Change this ic Part(s): 8-759-073-30 (IC 201)

Model: AE2

Subject: No NICAM sound

Symptom: No NICAM sound

Cause: IFB 101 is defekt due to a bad SIF signal.

Remedy: Change IFB 101 Part(s): 1-466-733-11 (IFB 389)

Model: AE2

Subject: The picture is green and yellow

Symptom: The picture is green and yellow

Cause: The electronic delay line is defekt.

Remedy: Change TDA 4660 Part(s): 8-759-505-39 (IC 302)

Model: AE2

Subject: Set gives different error codes (Led blinks 3 tim

Symptom: Set gives different error codes (Led blinks 3 times, afterwards 13 times)

Cause: Protection circuit is defekt ( Q611 and Q613) and activates the X-ray protection

Remedy: Change these 2 transistors Part(s): 8-729-119-78 (Q611) 8-729-903-

Model: AE2

Subject: Bad focus in the middle of the screen

Symptom: Bad focus in the middle of the screen

Cause: LM 393 is defect.

Remedy: Change this ic. Part(s): 8-759-987-16 (IC1603)

Model: AE2

Subject: No power

Symptom: No power

Cause: Q801 is short, due to the +B tension = 190V.

Remedy: Check and change if neccesary IC603, D616, IC602. Part(s): 8-749-923-44 (IC603) 8-719-110-31 (D 616) 8-759-

908-15 (IC602)

Model: AE2

Subject: Plop- noise

Symptom: Plop- noise

Cause: R 627 = open.

Remedy: Replace this resitor and check all audio amplifiers. One of them should be defect. Part(s): 1-249-398-11 (R 627)

8-759-072-99 (IC 251,2

Model: AE2

Subject: Set goes in protection (intermittent.)

Symptom: Set goes in protection (intermittent.)

Cause: Q 611 or Q 611 are leaking.

Remedy: Change both transistors. Part(s): 8-729-216-22 (Q610) 8-729-119-78 (Q611

Model: AE2

Subject: No power(cycling power on/off.)

Symptom: No power(cycling power on/off.)

Cause: PS601 is open.

Remedy: Replace this fuse. Part(s): 1-532-686-91 (PS601)

Model: AE2

Subject: Sync problem

Symptom: Sync problem

Cause: IC 681 is defect.

Remedy: Change this ic Part(s): 8-759-072-98 (IC 681)

Model: AE2

Subject: No picture.(led blinks 3X)

Symptom: No picture.(led blinks 3X)

Cause: Tuner is defect, or the ground connection from tuner is bad.

Remedy: Replace or resolder when necessary. Part(s): 1-693-185-11 (TU 101)

Model: AE2

Subject: Picture is horizontaly unstabel, or picture is to

Symptom: Picture is horizontaly unstabel, or picture is to small.

Cause: C 828 is unstabel or value has changed.

Remedy: Change C 828 Part(s): 1-137-041-91 (C 828)

Model: AE2

Subject: Unstabel picture.

Symptom: Unstabel picture.

Cause: On the microprocessorboard the TDA2595 is defect.

Remedy: Change this IC. Part(s): 8-759-513-48 (IC 501)

Model: AE2

Subject: Intermittent no power.(led blinks 6X)

Symptom: Intermittent no power.(led blinks 6X)

Cause: Only for sets equipped with a dynamic convergence module (eq.KVS291*) CXA 1526 is defect.

Remedy: Change this IC and readjust convergence in the service menu. Part(s): 8-752-052-88 (IC1802)

Model: AE2

Subject: No power (PSU is OK, no SCL,no SDA)

Symptom: No power (PSU is OK, no SCL,no SDA)

Cause: IR detector is defect. (SBX1610-11)

Remedy: Change IR detector Part(s): 8-741-101-75 (IC091)

Model: AE2

Subject: No power

Symptom: No power

Cause: Lightening

Remedy: Check the following componentSymptom :D606,D604(if used), IC603,D616,IC602, PS601,D610, Q613(if

used),Q601, IC601,Q801. Check also that circuit board itself is not damaged! Part(s): ()

Model: AE2A, AE2B, KV-A2131A, KV-A2131B, KV-A2131D, ...

Subject: SET IS IN PROTECTION.(IC2002)

Symptom: Set goes in protection.(no errorcode)

Cause: IC2002 on the M1 or M2 board is defect.(IC2002 is TXT-IC)

Remedy: Change IC2002.

Model: AE2A

Subject: FAILURE OF V-OUT IC

Symptom: FAILURE OF V-OUT IC

Cause: NO PICTURE DUE TO FAILURE OF THE V-OUT IC1501 (D-BOARD)

Remedy: REPLACE IC1501 TDA8179S BY STV9379 (8-759-192-71), AND CHANGE C1506 FROM 0,33 µF TO 0,10 µF

(1-130-777-00)

Model: AE2A

Subject: VERTICAL PROTECTION TRIGGERED

Symptom: VERTICAL PROTECTION TRIGGERED

Cause: URING THE RECEPTION OF POOR-QUALITY SIGNALS (WEAK SIGNALS, CROSS MODULATION, ETC. ),

VERTICAL DEFLECTION MAY STOP AFTER COVERING AROUND 60% OF THE SCREEN. VERTICAL PROTECTION

THEN ACTIVATES AFTER W

Model: AE2A

Subject: THE SET GIVES NO SOUND AFTER SOME TIME (THIS TIME

Symptom: THE SET GIVES NO SOUND AFTER SOME TIME (THIS TIME DEPENDS ON THE SIGNAL CONDITIONS

AND THE AUDIO LOAD). AFTER POWER-OFF AND POWER-ON THE SOUND IS OK, UNTIL THE FAULT COMES

AGAIN.

Cause: HE PROBLEM IS CAUSED BY A BROKEN R627 (27 OHM 1/

Model: AE2A

Subject: START UP PROBLEM

Symptom: START UP PROBLEM

Cause: NO START UP OR SLOW START UP (FLASHING LED). THE 400 MV REGULATION VOLTAGE WHICH IS

NECESSARY FOR START UP CANNOT BE REACHED AT PIN 1 OF IC601.

Remedy: REPLACE R611 (100 OHM) WITH A 150 OHM RESISTOR (1-249-40

Model: AE2A

Subject: Set goes in protection.(no errorcode)

Symptom: Set goes in protection.(no errorcode)

Cause: IC2002 on the M1 or M2 board is defect.(IC2002 is TXT-IC)

Remedy: Change IC2002. Part(s): 8-759-181-21 (IC2002)

Model: AE2B

Subject: INTERMITTENT SWITCH ON AND OFF. LED BLINKS 13 TIME

Symptom: INTERMITTENT SWITCH ON AND OFF. LED BLINKS 13 TIMES.

Cause: VALUE OF R818 CHANGED. X-RAY PROTECTION SWITCHES ON.

Remedy: REPLACE R818

Model: AE2B

Subject: NO OPERATION OR JUST SWITCH ON AND THEN SWITCH OFF

Symptom: NO OPERATION OR JUST SWITCH ON AND THEN SWITCH OFF.

Cause: R634 DEFECT

Remedy: REPLACE R634

Model: AE2B

Subject: NO PICTURE, NO SOUND, OSD CHARACTERS HARDLY APPEAR

Symptom: NO PICTURE, NO SOUND, OSD CHARACTERS HARDLY APPEAR. LED A BLINKS SLOWLY.

Cause: TUNER TU101 DEFECT.

Remedy: REPLACE TUNER TU101

Model: AE2B

Subject: PICTURE SIZE IS REDUCED AT SWITCHED ON.

Symptom: PICTURE SIZE IS REDUCED AT SWITCHED ON.

Cause: INCORRECT VOLTAGE FROM IC681 (5V / 12V REGULATOR) DUE TO OVERLOAD CAUSED BY IC202

(HEADPHONES AMPLIFIER).

Remedy: REPLACE IC202 (TDA2822)

Model: AE2F, KV-E2561A, KV-E2561D, KV-E2561K, KV-E2563B, ...

Subject: NO PIP.(IC1401)

Symptom: No PIP

Cause: IC1401 is defect.(SCP at pin 6 is not correct)

Remedy: Change this IC. Check also SB TV02695.

Model: AE2F, KV-E2561A, KV-E2561D, KV-E2561K, KV-E2563B, ...

Subject: UNSTABEL PICTURE.(IC6)

Symptom: Unstabel picture

Cause: IC6 from Q board is defect.

Remedy: Change this IC.

Model: AE2F, KV-E2561A, KV-E2561D, KV-E2561K, KV-E2563B, ...

Subject: DARK PICTURE.(RGB)

Symptom: Dark picture

Cause: One or more RGB IC's on the C bord are defect.

Remedy: Change this IC and check also the other semi-conductors.

Model: AE2F, KV-E2561A, KV-E2561D, KV-E2561K, KV-E2563B, ...

Subject: SET GOES OFF AFTER A WHILE.(R848)

Symptom: Set goes off after a while.

Cause: R 848 is open.

Remedy: Change R 848. When R 848 is open, Q 805 conducts and also Q 806 and hence the protection is activated.

Model: AE2F, KV-E2561A, KV-E2561D, KV-E2561K, KV-E2563B, ...

Subject: NORD-SOUTH ERROR.(Q1856,PS1852)

Symptom: N/S fault

Cause: Q1856 on the D2 board is short and hence PS1852 is also defect.

Remedy: Change both components and resolder also the other semi-conductors on this D2 board.

Model: AE2F, KV-E2561A, KV-E2561D, KV-E2561K, KV-E2563B, ...

Subject: WHITE FLASHES IN THE PICTURE, CYCLIC ON/OFF.(IC072)

Symptom: Cyclic power ON/OFF and picture flashes.

Cause: Memory IC is defect.

Remedy: Change IC072 and reload the corresponding data by using our PC-based TV repair assistance tool: TRACE.

Model: AE2F, KV-E2561A, KV-E2561D, KV-E2561K, KV-E2563B, ...

Subject: PIN CUSHION PROBLEM.(D819)

Symptom: Picture has a pin-cushion problem.

Cause: D 819 is defect.

Remedy: Change this diode.

Model: AE2F, KV-E2561A, KV-E2561D, KV-E2561K, KV-E2563B, ...

Subject: SET SWITCHES OFF AND BLINKS 13 X.

Symptom: Set goes off and blinks 13 times.

Cause: 1)STV9379 is defect or has bad contacts. 2)Check TDA2579B on the B board.

Remedy: 1)Change or resolder this STV9379. 2)Change this TDA2579B.

Model: AE2F, KV-E2561A, KV-E2561D, KV-E2561K, KV-E2563B, ...

Subject: NO PICTURE.(R741,R743)

Symptom: No Picture

Cause: G2 tension is to low.

Remedy: Check R743 and R741 (820K) and replace when their value has changed.

Model: AE2F

Subject: No picture, no synchronisation, no operation

Symptom: No picture, no synchronisation, no operation

Cause: IC6 and/or IC7 on Q board defect

Remedy: Replace IC6 or IC7 on Q board

Model: AE2F

Subject: Stripes in the picture, no picture, .

Symptom: Stripes in the picture, no picture, .

Cause: Field memories IC2 and IC3 on Q board defect.

Remedy: Replace IC2 and IC3 on Q board

Model: AE2F

Subject: No PIP

Symptom: No PIP

Cause: IC1401 is defect.(SCP at pin 6 is not correct)

Remedy: Change this IC. Part(s): 8-759-183-35 (IC1401)

Model: AE2F

Subject: Unstabel picture

Symptom: Unstabel picture

Cause: IC6 from Q board is defect.

Remedy: Change this IC. Part(s): 8-759-257-92 (IC6)

Model: AE2F

Subject: Dark picture

Symptom: Dark picture

Cause: One or more RGB IC's on the C bord are defect.

Remedy: Change this IC and check also the other semi-conductors. Part(s): 8-759-073-90 (IC ...)

Model: AE2F

Subject: Set goes off after a while.

Symptom: Set goes off after a while.

Cause: R 848 is open.

Remedy: Change R 848. Part(s): 1-215-477-00 (R 848)

Model: AE2F

Subject: N/S fault

Symptom: N/S fault

Cause: Q1856 on the D2 board is short and hence PS1852 is also defect.

Remedy: Change both components and resolder also the other semi-conductors on this D2 board. Part(s): 8-729-017-05

(Q1856)

Model: AE2F

Subject: Cyclic power ON/OFF and picture flashes.

Symptom: Cyclic power ON/OFF and picture flashes.

Cause: Memory IC is defect.

Remedy: Change IC072 and reload the corresponding data by using our PC-based TV repair assistance tool: TRACE.

Part(s): 8-759-184-27 (IC 072)

Model: AE2F

Subject: Picture has a pin-cushion problem.

Symptom: Picture has a pin-cushion problem.

Cause: D 819 is defect.

Remedy: Change this diode. Part(s): 8-719-914-43 (D 819)

Model: AE2F

Subject: Bad colours(horizontal coloured stripes)

Symptom: Bad colours(horizontal coloured stripes)

Cause: Data loss.

Remedy: Change in the service menu under ECO 3 nr 11 = ON. Part(s): ()

Model: AE2F

Subject: Set goes off and blinks 13 times.

Symptom: Set goes off and blinks 13 times.

Cause: 1)STV9379 is defect or has bad contacts. 2)Check TDA2579B on the B board.

Remedy: 1)Change or resolder this STV9379. 2)Change this TDA2579B. Part(s): 8-759-192-71 (IC1501) 8-759-181-19

(IC501

Model: AE2F

Subject: No Picture

Symptom: No Picture

Cause: G2 tension is to low.

Remedy: Check R743 and R741 (820K) and replace when their value has changed. Part(s): 1-202-884-11 (R741 ) 1-202-

881-11 (R743)

 

 

 
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